render-pngs

#!/bin/bash


#======================================
#   ANSI
#======================================
ansi_reset='\e[0m'
bold='\e[1m'
blue='\e[34m'
yellow_b='\e[1;33m'
red_b='\e[1;31m'
darkgray_b='\e[1;90m'


#======================================
#   Global Variables
#======================================
svg_src="SVG"
png_dest=".conky-vision-icons"
default_color="#000"
default_size="32"


#======================================
#   User Input
#======================================
echo
echo -e "${bold}Enter icon icon_size (skip for default): ${ansi_reset}"
read -r icon_size
echo -e "${bold}Enter 1 or more colors (space or tab separated): ${ansi_reset}"
read -r -a icon_colors


#======================================
#   Checks
#======================================

# If no colors given, add default color to array
if [ ${#icon_colors[*]} -eq 0 ]; then
    icon_colors[0]="$default_color"
fi

# Ensure png_dest
mkdir -p "$png_dest"

# If icon_size not provided, use default_size
icon_size=${icon_size:-"$default_size"}


#======================================
#   RENDER
#======================================

# Loop over colors
for color in ${icon_colors[*]}; do

    echo
    echo -e "${darkgray_b}---------------------------------------${ansi_reset}"


    # Check  whether the png folder already exits
    if [ -d "$png_dest/${color}__${icon_size}" ]; then
        echo
        echo -e "${red_b}$png_dest/${color}__${icon_size} exists!${ansi_reset}"
        continue
    fi


    # Create dir with color name
    mkdir -p "${color}__${icon_size}"


    # Trap sed
    trap 'sed -i "s/<path fill=\"$color\"/<path/" $svg_src/*.svg; exit' INT TERM


    # Temporarily edit svg's
    sed -i "s/<path/<path fill=\"$color\"/" "${svg_src}"/*.svg


    # Loop through SVG folder & render png's
    for i in $svg_src/*.svg; do

        # Get basename
        i2=${i##*/}  i2=${i2%.*}


        # If png exists, skip
        if [ -f "${color}__${icon_size}/$i2.png" ]; then
            echo
            echo -e "${darkgray_b}${color}__${icon_size}/$i2.png exists.${ansi_reset}"

        else
            echo
            echo -e "${blue}Rendering ${yellow_b}${color}__${icon_size}/$i2.png${ansi_reset}"

            inkscape -e "${color}__${icon_size}/$i2.png" "$i" \
                     --export-width="$icon_size" --export-height="$icon_size" &> /dev/null
        fi
    done


    # Inkscape doesn't work well with dir paths
    # Move folder manually
    mv "${color}__${icon_size}" "$png_dest"


    # Revert edit of svg's before next iteration or EXIT
    sed -i "s/<path fill=\"${color}\"/<path/" "${svg_src}"/*.svg

done


# If notify-send installed, send notif
hash notify-send 2>/dev/null &&
notify-send -i terminal -a 'Terminal' 'Terminal' 'Finished rendering icons!'


exit